Helodontidae

No picture of Helodontidae was found. Wikidata and iDigBio were searched and had none. Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is. GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Helodontidae, or no answer at all. This entry cannot say which.

On record

Recorded, not inferred
Sits inside
HelodontiformesPBDB
Diet
carnivorePBDB, for Holocephali
Life habit
nektobenthicPBDB, for Holocephali
Motility
actively mobilePBDB, for Holocephali

Time the record covers

At least 112 million years on record.

The record covers at least 372.15 Mya to 259.857 Mya. No occurrence read is dated outside 382.31 Mya to 251.902 Mya.

Devonian — about 1 of 33 occurrencesDevonianCarboniferous — about 17 of 33 occurrencesCarboniferousPermian — about 15 of 33 occurrencesPermianEarly Triassic — about 0 of 33 occurrences385–380 Mya — about 0.2 occurrences380–376 Mya — about 0.4 occurrences376–371 Mya — about 0.4 occurrences362–358 Mya — about 0.2 occurrences358–353 Mya — about 0.9 occurrences353–349 Mya — about 0.9 occurrences349–344 Mya — about 0.9 occurrences344–340 Mya — about 0.9 occurrences340–335 Mya — about 0.9 occurrences335–331 Mya — about 1 occurrence331–326 Mya — about 2 occurrences326–322 Mya — about 1 occurrence322–317 Mya — about 1 occurrence317–313 Mya — about 2 occurrences313–308 Mya — about 2 occurrences308–304 Mya — about 3 occurrences304–299 Mya — about 0.2 occurrences299–295 Mya — about 0.1 occurrences295–290 Mya — about 0.1 occurrences290–285 Mya — about 0.8 occurrences285–281 Mya — about 0.4 occurrences281–276 Mya — about 0.1 occurrences276–272 Mya — about 1 occurrence272–267 Mya — about 3 occurrences267–263 Mya — about 0.9 occurrences263–258 Mya — about 3 occurrences258–254 Mya — about 6 occurrences254–249 Mya — about 0.3 occurrences372.15 Mya259.857 Mya385 Mya249 Mya

33 occurrences of Helodontidae on record, most of them in the Carboniferous. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.

When

33 occurrences

These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.

Found in

12 formations

Phosphoria — 43.35°N, 109.40°WPhosphoria — 42.75°N, 108.80°WPhosphoria — 43.19°N, 109.16°WPhosphoria — 43.38°N, 109.45°WPhosphoria — 43.54°N, 108.70°WPark City — 43.54°N, 108.70°WPark City — 43.19°N, 109.16°WTunnel Mountain — 50.48°N, 114.71°WCoolkilya — 23.84°S, 114.46°EBlack Prince Limestone — 31.73°N, 109.57°WGarber Sandstone — 34.58°N, 98.85°WNaujoji Akmenė — 56.33°N, 22.95°EMattoon — 38.44°N, 87.86°WGneudna — 24.06°S, 115.21°ELimestone Coal — 55.92°N, 4.33°WBlack Rock Limestone — 51.46°N, 2.63°WMospyne — 48.24°N, 39.30°E

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The named rock units Helodontidae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 12 occurrences have no formation on record, which is common for older literature.

Helodontidae and its relatives

Carboniferous

Where Helodontidae and its relatives were recorded in the Carboniferous.

Found in the same rock

229 taxa

The Paleobiology Database records 28 sites for Helodontidae, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.

This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.

Entered from

17 references

Each of the 33 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. 5 further references are not listed. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content0

No picture of Helodontidae was found. Wikidata and iDigBio were searched and had none.

Wikipedia and Smithsonian Open Access did not answer, so this is what the others held rather than everything there is.

GBIF was asked, and what came back is not recorded: nothing, or a picture this site could not tie to Helodontidae, or no answer at all. This entry cannot say which.

No 3D scan was found. Smithsonian Open Access, MorphoSource and Sketchfab were all searched.

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itHelodontiformes through timeFormations of the CarboniferousThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0.